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OSHA 10-Hour Construction Outreach (knowledge check)

Personal protective equipment: practice questions

Our OSHA 10 Construction bank has 25 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

Which hearing protection is used on construction sites?

  1. Headphones playing music
  2. Earplugs or earmuffs
  3. Cotton balls
  4. Hard hats
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B. Earplugs or earmuffs — Earplugs and earmuffs are approved hearing protectors; plain cotton is not acceptable.

Question 2

How often must a worker be fit-tested for a tight-fitting respirator?

  1. Every 5 years, or whenever the worker changes employer
  2. Only once, ever
  3. Before first use and at least once a year
  4. Only when the respirator is lost
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C. Before first use and at least once a year — Fit testing is required before initial use, when a different facepiece is used, and at least annually.

Question 3

A dust mask (filtering facepiece) protects against:

  1. Particles such as dust, but not gases, vapors or oxygen deficiency
  2. Carbon monoxide
  3. All chemicals and gases
  4. Oxygen-deficient air
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A. Particles such as dust, but not gases, vapors or oxygen deficiency — Particulate filters capture particles; they do not protect against gases, vapors or low oxygen.

Question 4

When should a hard hat be replaced?

  1. Every week
  2. Only when the manufacturer's sticker has faded and can no longer be read clearly
  3. When the shell is cracked, dented or worn, or after a heavy impact
  4. Never, if it still fits
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C. When the shell is cracked, dented or worn, or after a heavy impact — Damaged helmets or suspensions must be removed from service and replaced.

Question 5

Who must generally pay for required personal protective equipment such as hard hats, safety glasses and harnesses?

  1. The employer
  2. The worker
  3. The worker's union
  4. OSHA
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A. The employer — Employers must pay for required PPE, with limited exceptions such as ordinary safety-toe footwear and prescription safety eyewear worn off the job.

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